Revert 60747 - Add a new class SpdyProxyClientSocket which implements ClientS...

net/http/http_proxy_utils.h

-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef NET_HTTP_HTTP_PROXY_UTILS_H_
-#define NET_HTTP_HTTP_PROXY_UTILS_H_
-#pragma once
-
-#include <string>
-
-namespace net {
-
-struct HttpRequestInfo;
-class HttpRequestHeaders;
-class HostPortPair;
-
-// The HTTP CONNECT method for establishing a tunnel connection is documented
-// in draft-luotonen-web-proxy-tunneling-01.txt and RFC 2817, Sections 5.2 and
-// 5.3.
-void BuildTunnelRequest(const HttpRequestInfo& request_info,
-                        const HttpRequestHeaders& auth_headers,
-                        const HostPortPair& endpoint,
-                        std::string* request_line,
-                        HttpRequestHeaders* request_headers);
-
-}  // namespace net
-
-#endif  // NET_HTTP_HTTP_PROXY_UTILS_H_